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Suspended Exploratory Well Costs (Tables) | 3 Months Ended
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Mar. 31, 2015
Extractive Industries [Abstract] |
Suspended Exploratory Well Costs | The following table reflects the change in capitalized exploratory well costs for the three months ended March 31, 2015 and the year ended December 31, 2014 (in thousands):
|  | March 31, 2015 |  |  |  | December 31, 2014 |
Balance at beginning of period | $ | 2,996 |  |  | $ | 6,964 |
Additions to capitalized exploratory well costs pending the determination of proved reserves |  | 9,017 |  |  |  | 18,747 |
Reclassifications to wells, facilities and equipment based on determination of proved reserves |  | ¾ |  |  |  | (15,735 | )
Divested wells |  | ¾ |  |  |  | (6,980 | )
Balance at end of period |  | 12,013 |  |  |  | 2,996 |
Less exploratory well costs that have been capitalized for a period of one year or less |  | (12,013 | ) |  |  | (2,996 | )
Capitalized exploratory well costs that have been capitalized for a period greater than one year | $ | ¾ |  |  | $ | ¾ |

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- Definition Tabular disclosure of the change in capitalized exploratory costs during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=8451039&loc=SL6806780-109447 + Details
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